I believe that the most likely explanation for the decline of Greek drama is that the cultural center was Athens, and Athens lost power.
However, I am not entirely sure.
Hyperbole is the use of over-exaggeration to create emphasis or humor. I'm not exactly sure what to do for the last 2 things. Sorry
The reverse transcriptase is an enzyme which is used to (B) make DNA from RNA. It generates a complementary DNA from a RNA template and that is why it is called reverse transcriptase.